Concord Limited uses a perpetual inventory system. The inventory records show the following data for its first month of operations: (a) Calculate the cost of goods sold and ending inventory using the FIFO cost method. Cost of goods sold $ Ending inventory $ Cost of goods sold $ Ending inventory $ eTextbook and Media Attempts: 2 of 3 us (b) Calculate the cost of goods sold and ending inventory using the average cost method. (Round average cost per unit to 2 decimal places, e.g. 1.25. Round intermediate and final answers to 0 decimal places, e.g. 5,125.) Cost of goods sold $ Ending inventory \$